In this article I will briefly familiarize you with the original equipment (o.e.) Kawasaki/Suzuki 65cc suspension design, tuning tips, and modifications. As a suspension tuner and motocross hobbyist I have observed a lot of discussion over o.e. KX/RM65 suspension. There are numerous message boards filled with ambiguous suspension modifications and specifications for this motorcycle.

The front forks on the KX/RM65 are outdated by several decades but can be adjusted for certain riding conditions. Damper rod forks as found on KX/RM65s are outdated since they create an overly progressive dampening curve (they are too soft initially and too harsh during fast fork movement). The rebound adjuster on the front forks can be used to adjust for some cases of head shake and cornering difficulties. Head shake may occur it can due to too much or to little rebound dampening. This may be fixed by turning the adjuster in increments of two clicks and test. The rebound adjustment can also aid with cornering problems. If the bike washes out in corners, turn the rebound adjuster clockwise in increments of two clicks. If the bike does not stand back up from corners fast enough, turn the rebound adjuster out in increments of two clicks. The front of the bike can also be lowered by moving the forks up in the triple clamps. This may aid in cornering but can cause head shake.

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